EP 1229343 A1 20020807 - A system and method for determining the location of a mobile
Title (en)
A system and method for determining the location of a mobile
Title (de)
System und Verfahren zur Bestimmung des Standorts einer Mobileinheit
Title (fr)
Système et procédé pour déterminer la position d'une unité mobile
Publication
Application
Priority
EP 01300891 A 20010131
Abstract (en)
A system and method for determining the location of a mobile, for example the position of a person (10) carrying a mobile radio handset (12) makes use of receivers on nearby vehicles (20,22,24) for triangulation or timing measurements. The precise locations of the vehicles themselves is determined from GPS satellites (40) enhanced with signals received from fixed aerial locations (30,32,34). A control centre (50) determines the absolute location of the handset (12) by a weighted combination of measurements taken at the vehicles and at the fixed aerial sites. <IMAGE>
IPC 1-7
IPC 8 full level
G01S 5/00 (2006.01); G01S 5/02 (2006.01); G01S 5/14 (2006.01); G01S 11/08 (2006.01); G01S 19/46 (2010.01); G01S 19/51 (2010.01); G01S 13/76 (2006.01)
CPC (source: EP)
G01S 5/0027 (2013.01); G01S 5/0072 (2013.01); G01S 5/14 (2013.01); G01S 19/46 (2013.01); G01S 19/51 (2013.01); G01S 11/08 (2013.01); G01S 13/76 (2013.01)
Citation (search report)
- [XY] DE 19616469 A1 19971106 - ROHDE & SCHWARZ [DE]
- [Y] EP 0964265 A2 19991215 - MOTOROLA LTD [GB]
- [Y] US 5155490 A 19921013 - SPRADLEY JR LEWIS H [US], et al
- [Y] US 5815538 A 19980929 - GRELL CONRAD [US], et al
- [Y] EP 0512789 A2 19921111 - NAVSYS CORP [US]
- [A] GB 2287149 A 19950906 - COSSOR ELECTRONICS LTD [GB]
- [A] GB 2221113 A 19900124 - BROWN KEITH CHISHOLM
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 01300891 A 20010131